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🎧 fx audio bluetooth tube preamp & headphone amp & bluetooth receiver+ess9023 ge5654 hifi bluetooth 5.0 vaccum tube preamp (black) logo

🎧 FX AUDIO Bluetooth Tube Preamp & Headphone Amp & Bluetooth Receiver+ESS9023 GE5654 HiFi Bluetooth 5.0 Vaccum Tube Preamp (Black) Review

4

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🍿 Home Theater, 🎵 Home Audio

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Description of 🎧 FX AUDIO Bluetooth Tube Preamp & Headphone Amp & Bluetooth Receiver+ESS9023 GE5654 HiFi Bluetooth 5.0 Vaccum Tube Preamp (Black)

【Ge5654 Tube Preamp with Headphone Amp】 The TUBE-03MKII tube preamp features preamp + Bluetooth 5.0 audio receiver + tube buffer headphone amp + with dac function. GE5654 vacuum tube with tube buffer circuit has dynamic and sweet sound quality and can be replaced by 6J1, 6J4, 6AK5, 6K4 tubes for different listening feelings. Note: It is not a phono preamp or amplifier, not for phono, not for car audio. 【Bluetooth 5.0 Receiver with DAC】 It uses QCC3008 Bluetooth 5.0 chip, support APTX and has low latency. Bluetooth receiving audio signal I2S output and ESS9023 dac chip can greatly improve the Bluetooth audio effect, high signal-to-noise ratio, low distortion. 【Bass/Treble/Volume Control】 It has independent bass, treble and volume control knobs, which helps you set sound effect easily according to your preference. Long press Select button to power on/off, and short press to switch signal input. Power supply: 12V 1A. 【Input & Output】 Two inputs - RCA and Bluetooth input, compatible with smart phones, laptop, tablet, DVD, MP3/4, etc. (RCA cable is included in the package.) Two outputs - RCA and headphone amp. RCA output connect with active speakers or amplifier(can not connect with passive speakers directly). Headphone amp output jack is compatible with 3.5mm headphone. 【High Quality Components】 The headphone amp op chip is OPA1656IDR which can be replaced by MUSE02 or AD827. (Need professional tools and operation). MCU intelligent control and soft switch for switch input channel. Independent power supply design with shielded function effectively reduces interference. Relay is used to switch signal, better than normal switches without huge pops when turn on or off the device.

Reviews

Global ratings 4
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Type of review

Revainrating 5 out of 5

Excellent Value Tube Buffer Bluetooth Streamer

Just received and connected to my Dynaco tube system. Very happy so far, easy pairing sounds great, I'll do some performance testing in a few days after the bulbs burn out a bit. This review and attached photos are of the TUBE-03 Mk II with built-in Bluetooth. I chose it because of the latest generation Bluetooth chip as well as the ESS D/A chip. Both are used in much more expensive Bluetooth streamers that do without a tube buffer stage. As such, it represents great value and the construction,

Pros
  • Home Audio
Cons
  • Expensive

Revainrating 5 out of 5

Nice tube sound that won't hurt your wallet.

If you want tube sound, this might be for you. I was looking for a tube amp and initially decided to buy it as a preamp to see how my system sounds. Well I got a lot as it works great with my system and I got tube sound almost for free. Bluetooth works great. There's plenty of power for headphones, more than you need. I've used it primarily as a bluetooth preamp for my speakers and couldn't be happier. For the price it's more than ok, if you're looking for the best of the best hi-fi tube amps…

Pros
  • Home Theater
Cons
  • Fine

Revainrating 5 out of 5

so far it's a clean sounding tube buffer

SNR: 100dB (higher is better) THD+N: 0.001% (lower is better) Look at the numbers above, this thing sounds very clean. I tried 5 different ones and this one wins. Always look at the signal-to-noise ratio (decibels) when purchasing Hi-Fi audio equipment. and total harmonic distortion THD % . THD indicates how much pure sound is lost in the device. 1.0% or 1% is terrible. 0.1% bad, 0.01% normal. 0.001% is very good. If you want really clear sound, buy a good USB DAC like the E30 with a THD of…

Pros
  • Preamp
Cons
  • Compatibility

Revainrating 5 out of 5

You will not regret it. Good combination of looks/performance/GE/Bluetooth tubes

Before deciding on this I bought four different tube preamps. All of them were from advanced Aiyima/FX/Fosi/etc. the family. They are all *very* similar, but each has a unique sonic/aesthetic quality. It has a great combination of a fully brushed aluminum body (front and sides), GE bulbs (which clearly sound better than the Chinese bulbs that came with others), Bluetooth with an unobtrusive antenna, warm and clear sound, and the dials are very beautiful the touch and movement good. The price…

Pros
  • Receiver and amplifier
Cons
  • Requires an outlet